Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....putValue ( 62 ); //Adding custom formula to Cell A1 worksheet . getCells...C1:C5)" ); //Calcualating Formulas workbook . calculateFormula...